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https://issues.apache.org/jira/browse/KAFKA-13104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin McCabe resolved KAFKA-13104.
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Resolution: Fixed
Fixed
> Controller should notify the RaftClient when it resigns
> -------------------------------------------------------
>
> Key: KAFKA-13104
> URL: https://issues.apache.org/jira/browse/KAFKA-13104
> Project: Kafka
> Issue Type: Bug
> Components: controller, kraft
> Reporter: Jose Armando Garcia Sancio
> Assignee: Ryan Dielhenn
> Priority: Blocker
> Labels: kip-500
> Fix For: 3.0.0
>
>
> {code:java}
> private Throwable handleEventException(String name,
> Optional<Long>
> startProcessingTimeNs,
> Throwable exception) {
> ...
> renounce();
> return new UnknownServerException(exception);
> }
> {code}
> When the active controller encounters an event exception it attempts to
> renounce leadership. Unfortunately, this doesn't tell the {{RaftClient}} that
> it should attempt to give up leadership. This will result in inconsistent
> state with the {{RaftClient}} as leader but with the controller as inactive.
> We should change this implementation so that the active controller asks the
> {{RaftClient}} to resign. The active controller waits until
> {{handleLeaderChange}} before calling {{renounce()}}
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